Mack Rb 1989

Model Rb made in 1989 by Mack got 3 recalls. There were some recalls concerningsteering, vehicle speed control and visibility.

Model 1989

Recalls


CampaignManufacturerManufacturing dateType# of units affectedDate Owner notified MfgRecall Initiated byManufacturers of recalled vehicles/productsReport Recieved DateRecord Creation DateRegulation Part NumberFMVSS Number
STEERING - GEAR BOX - SHAFT SECTOR
90V052000MACK TRUCKS, INCORPORATEDfrom 06/01/1989 to 08/01/1989V (Vehicle)26706/14/1990MFRMACK TRUCKS, INC03/16/199003/28/1990
Defect SummaryInterference between steering gear sector shaft and the frame rail through hole can cause sector shaft wear and can weaken shaft cause it to break.
Consequence SummaryShaft failure during vehicle operation would cause loss of steering control and a crash without prior warning.
Corrective SummaryEnlarge frame rail through hole to prevent interference: replace steering gear sector shaft if scored.
NotesSystem: steering gear sector shaft.vehicle description: heavy-duty trucks.
VEHICLE SPEED CONTROL
94V032000MACK TRUCKS, INCORPORATEDfrom 07/01/1987 to 07/01/1992V (Vehicle)3977705/27/1994ODIMACK TRUCKS, INC02/15/199403/01/1994
Defect SummaryFuel injection system reconfiguration to comply with engine emission standards cause higher engine vibration levels which lead to early wear and complete failure of the secondary throttle return mechanism.
Consequence SummaryIn the event the primary throttle return fails, failure of the secondary throttle return system would not provide protection against loss of throttle control.
Corrective SummaryA new production secondary throttle return system configuration will be installed.
NotesSystem: fuel; fuel pump.vehicle description: class 8 trucks equipped with e6 and e7 engines with robert bosch p7100 mechanically-governed fuel injection pumps.note: if your vehicle is presented to an authorized dealer on an agreed upon service date and the remedy is not provided within a reasonable time and free of charge or the remedy does not correct the defect or noncompliance, please contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.
VISIBILITY - WINDSHIELD WIPER/WASHER - LINKAGES
90V051000MACK TRUCKS, INCORPORATEDfrom 06/01/1989 to 10/01/1989V (Vehicle)235005/17/1991MFRMACK TRUCKS, INC03/16/199003/28/1990
Defect SummaryA tolerance mismatch in the crank assembly of the bosch windshield wiper motor could cause instantaneous separation of the crank from the linkage assembly in the left hand control arm assembly; this would make the system inoperable.
Consequence SummaryWiper failure during vehicle operation could reduce driver's ability to see the road, and creates a potential for an accident.
Corrective SummaryReplace left hand control arm linkage assembly.
NotesSystem: windshield wiper control arm assembly.vehicle description: heavy-duty trucks.